Analysis
- max time kernel
146s - max time network
151s - platform
android_x86 - resource
android-x86-arm-20240603-en - resource tags
- submitted
05/06/2024, 21:58
General
- Target 995a0ea871f394cf3bedae6672d45142_JaffaCakes118.apk
- Size 30.7MB
- Sample240605-1vzzjsbc26
- SHA256 89b9cf8562478a4e1423e9af0a69277e3802a5b7624509038009cbe7ebe79c31
Malware Config
Signatures
- Renames multiple (53) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
- Checks if the Android device is rooted. 1 TTPs 4 IoCs
- Checks Android system properties for emulator presence. 1 TTPs 2 IoCs
- Loads dropped Dex/Jar 1 TTPs 6 IoCs
Runs executable file dropped to the device during analysis.
- Queries information about running processes on the device 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about running processes on the device.
- Domain associated with commercial stalkerware software, includes indicators from echap.eu.org 3 IoCs
- Queries information about active data network 1 TTPs 1 IoCs
- Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
- Queries the mobile country code (MCC) 1 TTPs 1 IoCs
- Reads information about phone network operator. 1 TTPs
- Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
- Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
- Checks CPU information 2 TTPs 1 IoCs
- Checks memory information 2 TTPs 1 IoCs
Processes
-
com.DrawWithOctopusonPaperio.mt1⤵
- Checks if the Android device is rooted.
- Checks Android system properties for emulator presence.
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about active data network
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
-
/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/data/com.DrawWithOctopusonPaperio.mt/.jiagu/tmp.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/data/com.DrawWithOctopusonPaperio.mt/.jiagu/oat/x86/tmp.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
-
-
cat /sys/class/net/wlan0/address2⤵
-
-
cat /sys/class/net/wlan0/address2⤵
-
-
sh -c ps2⤵
-
-
ps2⤵
-
Network
MITRE ATT&CK Mobile v15
Replay Monitor
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Downloads
classes.dex
classes.dex!classes2.dex
libjiagu.so
tmp.dex
gdtadv2.jar
gdtadv2.jar.sig
uuloi
ua.db
ua.db
ua.db
ua.db
ua.db
ua.db-journal
ua.db-wal
ua.db-wal
ua.db-wal
ua.db-wal
ua.db-wal
cc.db
cc.db
cc.db-journal
cc.db-shm
cc.db-wal
cc.db-wal
.jg.ac
.jg.ac
.jg.di
.jg.di
.jg.ic
.jg.rd
.jg.ri
.jiagu.lock
um_cache_1717625308633.env
exchangeIdentity.json
UnityAdsStorage-private-data.json
UnityAdsStorage-private-data.json
UnityAdsStorage-public-data.json
UnityAdsStorage-public-data.json
UnityAdsStorage-public-data.json
UnityAdsStorage-public-data.json
UnityAdsStorage-public-data.json
cheuu
vva.jar.cur.prof
vva
vva.jar
tmd
tv
exid.dat
umeng_it.cache
vva.jar
.deviceId
.iddata
UnityAdsTest.txt
UnityAdsWebApp.html
c
e
g
s
e
c
e
e
e
config
values
global-metadata.dat
mscorlib.dll-resources.dat
SymbolMap-ARMv7
SymbolMap-x86
Compat.browser
DefaultWsdlHelpGenerator.aspx
machine.config
settings.map
web.config
machine.config
web.config
machine.config
settings.map
web.config
browscap.ini
config
config.xml